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Products

Data Translation, Marlboro, MA, has introduced the DT9816-S multifunction, high-throughput, simultaneous USB data acquisition module that allows users to sample six...

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Briefs: Electronics & Computers
Integrated Spacesuit Audio System Enhances Speech Quality and Reduces Noise

A new approach has been proposed for increasing astronaut comfort and speech capture. Currently, the special design of a spacesuit forms an extreme acoustic environment making it difficult to capture clear speech without compromising comfort. The current system, called...

Briefs: Electronics & Computers

A proposed method of stabilizing microwave and millimeter-wave oscillators calls for the use of feedback in optoelectronic delay lines characterized by high values of the resonance...

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Application Briefs: Software
FiberSIM® composites engineering software
Vistagy
Waltham, MA
781-250-6800
www.vistagy.com

When NASA originally considered employing composites in...

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Briefs: Electronics & Computers

A small, segmented microstrip patch antenna integrated with an X-band feedback oscillator on a high- permittivity substrate has been built and tested (see Figure 1). The oscillator antenna is powered by...

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Application Briefs: Photonics/Optics
TriDAR vision system
Neptec Design Group
Ottawa, ON, Canada
613-599-7602
www.neptec.com

NASA is conducting a Detailed Test Objective (DTO)...

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Techs for License
Low-Cost Liquid Metal Cooling for High-Thermal-Density Electronics

Liquid metal has been used as a coolant for system-level thermal management for decades in nuclear reactors. The reason is its efficiency — liquid metal can have an effective thermal conductivity 10 to 100 times the thermal conductivity of copper. However, cost and long-term...

Techs for License
Needle-Free Injection System Using Pyrotechnical Propulsion

PYROFAST is a needle-free injection system with pyrotechnical gas propulsion that provides accurate and comfortable drug delivery through the skin for intra-dermal, subcutaneous, and intra-muscular injections of liquid and solid (lyophilized) drugs. The needle-free injection occurs...

Briefs: Semiconductors & ICs
Lattice-Matched Semiconductor Layers on Single Crystalline Sapphire Substrate

SiGe is an important semiconductor alloy for high-speed field effect transistors (FETs), high-temperature thermoelectric devices, photovoltaic solar cells, and photon detectors. The growth of SiGe layer is difficult because SiGe alloys have different lattice constants...

Briefs: Semiconductors & ICs

A bilateral subtraction filter has been implemented as a hardware module in the form of a field-programmable gate array (FPGA). In general, a bilateral subtraction filter is a key...

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Briefs: Manufacturing & Prototyping
Discrete Fourier Transform Analysis in a Complex Vector Space

Alternative computational strategies for the Discrete Fourier Transform (DFT) have been developed using analysis of geometric manifolds. This approach provides a general framework for performing DFT calculations, and suggests a more efficient implementation of the DFT for applications...

Briefs: Manufacturing & Prototyping
Self-Assembling, Flexible, Pre-Ceramic Composite Preforms

In this innovation, light weight, high temperature, compact aerospace structures with increased design options are made possible by using self-assembling, flexible, pre-ceramic composite materials. These materials are comprised of either ceramic or carbon fiber performs, which are...

Briefs: Manufacturing & Prototyping

Miniature scroll pumps have been proposed as roughing pumps (low-vacuum pumps) for miniature scientific instruments (e.g., portable mass spectrometers and gas analyzers) that depend on vacuum. The...

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Briefs: Software
Flightspeed Integral Image Analysis Toolkit

The Flightspeed Integral Image Analysis Toolkit (FIIAT) is a C library that provides image analysis functions in a single, portable package. It provides basic low-level filtering, texture analysis, and subwindow descriptor for applications dealing with image interpretation and object recognition....

Briefs: Software
Work Coordination Engine

The Work Coordination Engine (WCE) is a Java application integrated into the Service Management Database(SMDB), which coordinates the dispatching and monitoring of a work order system. WCE de-queues work orders from SMDB and orchestrates the dispatching of work to a registered set of software worker applications...

Briefs: Materials

Films made of certain polymer/carbon composites have been found to be potentially useful as sensing films for detecting airborne elemental mercury at concentrations on the order of...

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Briefs: Software
Multi-Mission Automated Task Invocation Subsystem

Multi-Mission Automated Task Invocation Subsystem (MATIS) is software that establishes a distributed dataprocessing framework for automated generation of instrument data products from a spacecraft mission. Each mission may set up a set of MATIS servers for processing its data products. MATIS...

Briefs: Software
Autonomously Calibrating a Quadrupole Mass Spectrometer

A computer program autonomously manages the calibration of a quadrupole ion mass spectrometer intended for use in monitoring concentrations and changes in concentrations of organic chemicals in the cabin air of the International Space Station. The instrument parameters calibrated include...

Briefs: Software
Determining Spacecraft Reaction Wheel Friction Parameters

Software was developed to characterize the drag in each of the Cassini spacecraft’s Reaction Wheel Assemblies (RWAs) to determine the RWA friction parameters. This tool measures the drag torque of RWAs for not only the high spin rates (>250 RPM), but also the low spin rates...

Briefs: Materials
Multiplexed Colorimetric Solid-Phase Extraction

Multiplexed colorimetric solid-phase extraction (MC-SPE) is an extension of colorimetric solid-phase extraction (CSPE) — an analytical platform that combines colorimetric reagents, solid phase extraction, and diffuse reflectance spectroscopy to quantify trace analytes in water. In C-SPE, analytes...

Briefs: Materials

A further improvement has been made to reduce the high-temperature thermal conductivities of the aerogel-matrix composite materials described in “Improved Silica Aerogel Composite...

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Briefs: Physical Sciences
Alternative Determination of Density of the Titan Atmosphere

An alternative has been developed to direct measurement for determining the density of the atmosphere of the Saturn moon Titan as a function of altitude. The basic idea is to deduce the density versus altitude from telemetric data indicative of the effects of aerodynamic torques on the...

Briefs: Mechanical & Fluid Systems

The rollerjaw rock crusher melds the concepts of jaw crushing and roll crushing long employed in the mining and rock-crushing industries. Rollerjaw rock crushers have been proposed for inclusion in geological...

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Briefs: Physical Sciences
Microwave Temperature Profiler Mounted in a Standard Airborne Research Canister

Many atmospheric research aircraft use a standard canister design to mount instruments, as this significantly facilitates their electrical and mechanical integration and thereby reduces cost. Based on more than 30 years of airborne science experience with the...

Briefs: Mechanical & Fluid Systems

Pressure-energized seal rings intended to withstand flows better than do conventional pressure-energized seal rings have been conceived. The concept applies, more specifically, to seal...

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Briefs: Information Technology
A Data Matrix Method for Improving the Quantification of Element Percentages of SEM/EDX Analysis

A simple 2D M×N matrix involving sample preparation enables the microanalyst to peer below the noise floor of element percentages reported by the SEM/EDX (scanning electron microscopy/energy dispersive x-ray) analysis, thus yielding more meaningful...

Briefs: Physical Sciences

Experiments and theoretical study have demonstrated the promise of all-solid-state, high-temperature electrochemical battery cells based on NiF2 as the active cathode...

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Briefs: Information Technology

A method of automated computational fluid dynamics (CFD) has been invented for the generation of performance tables for an object subject to fluid flow. The method is applicable to...

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Briefs: Mechanical & Fluid Systems
Deployable Shroud for the International X-Ray Observatory

A document describes the design of a lightweight (between 100 to 200 kg), light-tight shroud of about 3.9 meters in diameter that could be stowed into a very small volume, and be deployed to 12 meters. The shroud will consist of two concentric multi-layer blankets (MLIs) that are...

Webcasts

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On-Demand Webinars: Defense

From Data to Decision: How AI Enhances Warfighter Readiness

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Upcoming Webinars: Aerospace

April Battery & Electrification Summit

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Upcoming Webinars: Manufacturing & Prototyping

Tech Update: 3D Printing for Transportation in 2024

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Upcoming Webinars: Materials

Unleashing Epoxy's Potential: Ensuring Hermetic Sealing in Modern...

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Upcoming Webinars: Test & Measurement

Building an Automotive EMC Test Plan

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Upcoming Webinars: Aerospace

The Moon and Beyond from a Thermal Perspective

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